Sodium Thiosulfate, Concentration 0.2 N (0.2 M), CAS Number 10102-17-7, 497-19-8, 7732-18-5, Chemical Formula Na2S2O3, Chemical Container Material Plastic, Chemical Container Type Bottle, Chemical Grade Lab, Chemical Container Size 1 L, Chemical Family Type Solution, Standard, Calibration Certificate NIST, Shelf Life 24 mo, Standards Traceable to NIST